Electric signal transmitter



J y 26, 1927- c. H. KESSES Jul 1927. y c. H. KESSES ELECTRIC SIGNALTRANSMITTER 3 Sheets-Sheet Fileqmlie hue/#6)? Patented July 26,

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ELECTRIC SIGNAL TBANSIIT'I'ER. Application Med December 16, 1921. SerialNo. "8,262.

First, my, invention relates to electric signal transmitters, whereby acode of impulses may be transmitted to a telegraph siphon recordervarying in length, strength and spacing. 1 a

Second, to have operative means arranged on the operating lever of thetransmitter to take with the aid of a camera a picture oi the difierentregulating means of the transmitter, by the startin of said transmitterwith said'lever for t e purpose of automatically registering.

Third, to 'have a second modification of said transmitter which operatesin the same,

manner as the one in the first modification with the exception that itcontrols both lines, the negative line and the positive line inoneoperatiomfl a Fourth, tohave. means provided to exchange the framewith its switches onsaid transmitter for the purpose to regulate theswitches by one operator and to transmit the message by a secondoperator.

Fifth,- to have three regulating means on each one of said switches,,byusing only five regulating units of each one of said re lating means itis possible to transmit wlth electric impulses on each one of saidswitches one hundred and twenty-five diiferent signs and to produceeachone' of said different signs with one single electric impulse.

Sixth, to have meansprovided to close the circuit to 'said'transmitterby" the starting of the operation and to open said circuit by the $10ing of said transmitter.

fattain these objects by the mechanism illustrated in the accompanyingdrawings, in which- Fig. 1 is a perspective view of thejdevice as itappears after the removal of a part of the dial and showing a few of aseries of movably arranged switches.

Fig. 2 is a perspective frontand right side view of a SWlilCh.

Fig. 3 is a front view'of an enlarged upper part of a switch and showinga bridglng contact which is carried on the upper part of the hand. 1

Fi 4 is a view of a section of said switch showing the conductorscarried in said 3 switch.

Fig. 5 is a'view of a contact pin which is carried on a spring buttonarranged for moving in said switch member, to connect said switch to adifferent strength of current contact.

6 is a view of a camera which is operat vel connected to the operatorslever.

F1 1s a view of two bridging contacts wine 'are carried on the movinarm, one of sand contacts to operate the positive hne and the second oneto operate the negative line. F1 8 1s aview of the u per part of a switccarry ng two sets 0? contacts, one set for the-negative and the secondset for the positive current.

Fig. 9 is a view of an adjustably arranged duplex contact pin; one ofsaidpins is arranged for closlng the circuit for the posit1ve and saidsecond pin for closing the circuit of thenegative current.

Fig. 10 is a view, a section of one of the s w1tches,'showing the insidecircuit connect1on, the regulating arts therefor and a second ition ofsaid regulatingmeans in a dotte line.

.Fig. 11 is afront view of a modification of sald signal transmitterwhich operates in the same manner as the modification shown in Fig. 1,with the exception that the circuit is made and broken in the negativeline and in the positive line instead of in one side onl as in the firstmodification.

Similar. letters or numbers refer to similar parts throughout theseveral views.

10, of the clockwork and is meshed to the gear-rail, 5, to move saidrail in suitable rackets which are secured to the frame2 in a straightpath by the operation of the clockwork. Said shaft, 10, 1s in two parts,part 10" and part 10". Part 10 is arranged to turn in a. hollowmember,11, which is secured in the stand, 4. A clutch member, 12, is secured tothe shaft, 10 and is meshed to a second clutch member, 13, which isslidably arranged on the shaft, 10".- A rail, 14, is secured to saidshaft and is fitted m a.

corresponding 0 ening in the clutch 13, to connect or to isconnect bothshaits, as shown by the dotted line position of said clutches. A lever,15, is secured to the clutch, 13, to move the clutch members together bthe operation of said lever.

The c ock-work, which operates the electric device is connected to itthrough the shaft 10". In the lower part of said cloclrwork is a weightor a spring, 16. A chain of gears and pinwheels connect a paddlewheel,17, with said spring. The device of a clock train can be changed to another type of a constant speed driving mec anism. And a wire, 58, isslidably secured in a bracket to the casing of the clock; said wire issecured to the upper part of the lever, 15, in such a osition as to stopthe movement of the pa dle wheel, 17, when said clutchmembers are apart.

The electric current is led to the device by the conductors 18. Saidconductors are secured to a contact, 19, which is carried by theoperation lever, 15. A contact, 21 is secured to a bracket or stand, 20,in such a position to press on and to be in connection with said firstnamed contact to close the circuit when the lever, 15, is in theposition to operate the signal clock. The stand, 4, consists of hardrubber and is provided with a series of grooves. A series of electriccontact bars, 22, without insulation, are inserted throu hout a completecycle of movements in said grooves. A resistance box, 23, is secured tothe stand, 4. Said box is fitted with a series of resistances. Each oneof said resistances is arranged for a difi'erent strength of current. Aseries of conductors, 24, are secured to the contact, 21, saidconductors must be separately connected one each to a differentresistance, to lead diii'erent currents to the contact bars 22, with theexception of the upper one of said conductors, which leads the returncurrents from all the switches to the conductor 25.

A series of switches, 26, (a separate view of one is shown in Fi 2), ismovabl arranged over the top 0 the frame, 2. ach switch consists of theswitch proper and the hollow member, 27, said hollow member, is made ofhard rubber and is arranged to carry said switch proper and itsconductors. The lower part of the hollow member, 27, is slidabl arrangedon a rail, 28, which is secure with brackets, 29, to the frame, 2.

The switch proper, 26, (a separate view of which is shown in Fig. 3, anda view of a section is shown in F ig.'4), consists of a .member carryinga contact, 30. A second member slidably arranged in said first namedmember carries a contact, 31. A spring-button, 32, is arranged to movesaid second member in said first named member for changing the distancebetween the contacts, 30, and 31. A contact, 33, is secured in the rearof the hollow member, 27, and in such a position as to press againstandito be in connection with the upper contactbar, 22. A conductor, 34,is secured to the said'contacts, 33, and the contact, 30. in the switchproper. Slots, are formed in the front and in the rear of the hollowmember, 27. Said slots must be located in a transverse position to thedirection of each one of the contact bars, 22. A copper rail, 36, issecured by its top and bottom in the hollow member, 27. A slot in saidcopper rail must be of the same size, and run in the same direction asthe slots in 35.

A spring button 37 a separate view being shown in Fig. 5 is arranged ina member 39 which is slidably arranged in the front slot 35. A contactpin having the form' of a T is secured in connection with an insulatinmember to said spring button to hold wit its spring the contact pin 39on the copperrail 36 and to extend said pin out of the rear slot 35 topress on and be in connection with either one of the lower currentcontacts 22 wherever said spring button 37 is moved. A scale 40 shown inFig.2 is provided for said spring button; the positions of the differentstrength of current contact bars 22. A conductor 41 is arranged in theinside of said switch member to close the circuit between the switchcontact 31 on the copper rail 36.

The cooperation of the several parts involved in the operating of thedevice for the sending of a code it will be seen that each one of theswitches is provided with three different regulating means, first, toregulate the length of the spacing, move the switch as many units awayfrom the last regulated switch as required for the length of thespacing; second, to regulate the length of the impulse move the secondswitch member in the first switch member to the position for the lengthof the impulse required, for instance, to produce a short impulse, thenthe contacts 30 and 31 must be for the distance apart to correspond tothe length of the bridging contact 8, to produce the full length of theimpulse, move both of said contacts mostly together; third, to regulatethe strength of the impulses, pull the spring button 37 to lift thecontact pin 39 and move said button in the slot 35 to the positionsshown by the numbers 40 to be released to press on and be in contactwith the required strength of contact bar 22 and regulate each one ofthe switches in the same manner.

By using only five units of each one of the above named regulating meansit is possible to produce on each one of said switches over one hundredand twenty-five difi'erent signs with the same amount of impulses, tooperate the transmitter connect the circuit from a battery or othersource to the contact 19 which is carried on the operation lever anismmoves the arm 7 with its bridging contact 8 to bridge the current fromthe contact 30 over to the contact 31, to the conductor 34 to thecontact pin 33, to the. up-' permost contact bar 22, to the conductor tothe telegraph siphon recorder and the arm 7 travels to o erate with thebridging contact 8 one switch after the other.

A camera, 42, (a separate view is shown in Fig. 6), is placed in asuitable position to take a picture of dial, with its switchesinposition for a signal, and is operatively connected to the operatinglever of the clock for the purpose of automatically registering thesignals. A roll of film, 43, is secured in the camera, thereby releasinupper part of said camera and is secured to an empty spool, 44, in thelower part of said camera. I An idle gear wheel, 46, is arranged on theshaft of the spool, 44. One end of a gear rail 47 is slidablyarranged insuitable brackets, its other end is slidably arranged in the operatinglever 15. A ratchet wheel 45 is secured to the spool 44 and an idle gearwheel 45 is arranged below said ratchet wheel and meshed to the gearrail 47. A grabber 49 is with a pin secured to said. idle gear wheel insuch a position to engage said ratchet wheel. A grabber, 49, is securedwith a pin to said idle wheel and in such a position as to turn the gearwheel, 45, thereby advancing a part of the film by the stopping of thesignal clock, with the lever and not to move said film-spool by thereturn movement of said lever. A bracket, 48, is secured to the gearrail, 47, in such a position as to press a button, 51, on the a pictureof the starting lever.

The frame, 2, with its switches, is, with the hooks 3, removably securedto'the stand 4, for the purpose of exchanging one dial with another, forthe purpose of providing means to set the switches on one dial in the ofthe signal clock with said required position by one operator and for thepurpose of using another dial for transmitting the signals, by a secondoperator. v

A second modification of the transmitter is shown in the Figs. 7, 8, 9,10 and 11.

This modification operates the same as the first except that the circuitis made and a shutter to take the dial with its switches by broken intwo places in the negative line and in the positive line instead of inone side only as in the first modification.

'A dial 1 is secured to the upper part of a frame 2. Said frame is withthe hooks 3 removably secured to a stand 4. A gear rail 5 is slidablyarranged in brackets 6 which are secured to the frame 2. An arm 7 issecured to said gear rail and carries on itsupper part two bridgingcont-acts 8 and 8 shown in a view in Fig. 7. One of saidbridgingcontacts is provided to operate the positive line and thesecondone to operate the negative line. Suitable s rings arrangedbetween said arm and said ridging contacts to give with said contactsperfeet circuit connections to the switches. A gear wheel 9 is securedto the main shaft 10 of a suitable type of constant speed drivingmechanism; said 'gearwheel is meshed. to the gear rail 5to move saidrail in a straight position by mechanism. Said main shaft 10 is in twoparts, part 10 and part 10. Part 10' is arranged to turn in a'hollowmember 11 which issecured in the stand 4. A clutch 12 is securedto theshaft 10* and is meshed to a clutch 13 which is slidably arranged on theshaft 10. A rail 14 is secured to said shaft and is fitted in acorresponding opening in the clutch 13 to connect or disconnect bothshafts as shown by a dotted line position of said clutch.

A lever 15 is secured to the clutch 13 to move the clutch membertogether by the operation of said lever. mechanism is arranged on theshaft 10 The stand 4 consists of hard rubber and is provided with aseries of grooves running in a parallel direction and arranged in pairs.A series of electric contact bars 22 for the positive current and aseries of contact bars 22 are inserted in said grooves in such a mannerto place the contact .bars 22 for the positive current in each of theupper grooves of said pair of grooves and the bars 22 for the negativecurrent one each below pairs of thecontact bar pairs 22 and 22 with theexception of the uppermost pair of said bars 22, 22.v To close thecircuit from a battery or other source to said contact bars 22 and-22 Aconductor 18 is arranged between the positive pole of thebattery and acontact 19 which is carried on the operation lever 15. A secondconductor 18" between the negative pole and a contact 19 on said lever.Two contacts 21 and 21 must be secured insuch a position to press 7 theoperation of said driving The speed driving on and be in connection, thecontact 19 with the contact 21 and the contact 19 with the contact 21 bythe pulling of said lever. Conductors 24 are arranged between saidcontact 21 and each one of the resistances 23 and between the contact 21and each one of the resistances 23 The receiving device which may be atelegra h siphon recorder is connected to the con uctors 25 and 25*which are separately connected to the uppermost bars 22 and 22.

A series of switches 26 a view of a detailed switch is shown in Fig. 8and a section of same for showing the regulating parts is shown in Fig.10, said switches are movably arranged over the top of the frame 2 andon a ra1l28 which is secured to the frame 2. Each one of said switchesconsists of the switch proper and a hollow member 27. Said hollow memberis made of hard rubber and is arranged to carry said switch proper andthe electric current conductors therefor. Each one of said switchesconsists of a member carrying the contacts30 and 30". A second membermovably arranged in said first named member carries the contacts 31 and31. A spring button 32 arranged to move said second member for changingthe distance between the contacts 30, 30 and the contacts 31, 31. Twocontact pins 33 are secured in the rear of the hollow member 27 andpositioned in such a manner a to press against and be in connection eachone with one of the upper contact bars 22 and 22 wherever the switchesare moved. A conductor 34: is arranged between the pin 33 and the switchcontact 30 and a conductor 34 between the pin 33 and the contact 30".Slots 35 are inserted in the front and in the rear of the hollow member27. Said slots must be arranged in a transverse position to the contactbars 22. Two copper rails 36 and 36" are secured by their tops andbottoms in the hollow member 27 in a parallel position to said slots. Aspring bottom 37, a separate view of same is shown in Fig. 9. A squareshaft on said button must fit in a square opening in a member 39 toprevent turning of said shaft in said member. Said member is slidablyarranged in the front slot 35. A sto 38 consisting of hard rubber issecured to t e shaft on said spring button in such a position as to holda spring and to rest upon the copper rails 36 and 36". Two contact pins39 and 39 are secured to said stop in such a position to extend out fromthe rear slot 35, to ress on or be in connection with one of sai pinswith a contact bar 22 and the copper rail 36 and the second contact pinwith a contact bar 22 and the copper rail 36 wherever said spring button37 and the switches are moved. A scale 40 is arranged on the hollowmember 27 for showing the positions of each pair of the lower contactbars 22, 22". To exchan e the contact pins 39, 39 from one position toanother pull the spring button 37 and slide the same to the requiredposition. A conductor 41 is secured to the switch contact 31 and thecopper rail 36 and a conductor 41" to the switch contact 31" and to thecopper rail 86".

The cooperation of the several parts throughout a complete cycle ofmovements involved for operating'the positive line and the negativecurrent line inrthe transmitter, after each one of the switches isoperated, pull the operating lever 15 thereby connectin with theclutches12 and 13 the speed dr ving mechanism to the electric switch device andclosing the circuit by the contacts 19, l9 pand the contact 21, 21 thepositive current is lead from the positive pole of a battery to theconductor 18, to the contact 19, the contact 21, to the conductors 24,to the resistances 23, to the contact bars 22, to the contact pin 39, tothe copper rail 36, to the conductor 41, to the switch contact 30, thenegative current is lead from the negative pole to the conductor 18",the contact 19", the. contact 21 the conductor 24" to the resistances23", the contact bars 22 the contact pin 39, the copper rail 36", theconductor 41 and to the switch contact 30", the arm 7 with its bridgingcontacts 8 and 8 travels to bridge both of said currents in oneoperation the positive current from the contact 30 over to the contact31 and the negative current with the second bridging contact 8 from thecontact 30 to the contact 31", the positive current is lead from thecontact 31 to the conductor 34, the contact pin 33, the uppermostcontact bar 22, the conductor 25, and to the telegraph siphon recorderthe negative current from the contact 31", the conductor 34". thecontact pin 33 the uppermost contact bar 22, the conductor 25 and tosaid telegraph siphon recorder and the arm travels to operate one ofsaid switches after the other.

What I claim as my invention and desire to secure by Letters Patent is:

1. In a variable signal transmitter having in combination a meansarranged to start and to stop the operation of said transmitter, aseries of switches arranged in a straight path, each one of saidswitches consists of a member carrying one contact, a second memberslidably arranged in said first named member carries a second contact, aspring button, provided to move and to adjust said second member in saidfirst named member to various selective positions to provide means tochange the distance between said first and said second named contact anda bridging contact carried by a suitable driving mechanism in saidstraight path to bridge said members by the starting of said signaltransmitter with said means.

2. A variable signal transmitter having in III combination a series ofaced switches each of the switches com rislng two spaced contacts andmeans w ereby the dlstance between the contacts may be varied, a commonelectrical connection from one of the contacts of each of said switches,means including a series of contact bars for supplying current ofdifferentstrengths, ad ustable means carried by each of said switchesforconnecting any one of the contact bars to the other contact, abridgin member movable in a plane including the contacts forelectrically connecting the contacts of each switch and means forprogressively asso ciating the bridging member with the respectiveswitches whereby a code of impulses of different length and difi'erentstrength may be transmitted.

3. A variable-signal transmitter havin in combination a stationaryframe, a plura ity of switches, means whereby the switches ma bepositioned at variable distances from eac other with respect to theframe, each of the switches comprising two spaced contacts and meanswhereby the distance between the contacts ma be varied, a commonelectrical successively whereby a code of impulses may be transmittedvarying in length, strengt and spacing.

4. A variable signal transmitter comprising in combination a stationaryframe, a plurality of duplex switches, each switch of the duplexswitches comprising two spaced contacts and means whereby the distancebetween the contacts may be adjusted, means whereby the duplex switchesmay be positioned at variable distances from each other with respect tothe frame, means including a series of bars arranged in pairs on theframe for respectively supplying positive and nega tive potentials ofdifferent values from a source of potential, a common electricalconnect-ion for one of the contacts of one pair of each duplex switchand another common connection for one of the other pair, adjustablemeans for each of the duplex switches for connecting the other contactsof each pair simultaneously to a selected pair of bars, a membercomprising two insulated bridging members movable respectively in planesincluding the pairs of contact members and means for progressivelymoving the member with respect to the switches on p the frame to bridgethe respective contacts successively whereby a code of im ulses ma betransmitted varying in lengt strength ,and spacing through the commonconnections.

Si ed at New York cit borou h of Man attan, in the county of ew Yor andState of New York, this 15 day of December A. D. 1924.

CHARLES H. KESSES.

